AD629 RETSPL-HL Tabel
Transducer
DD45
Impedance
10 Ω
Coupler
6ccm
RETSPL
Speech
40
Speech Equ.FF.
3.5
Speech Non-linear
6
Speech noise
40
Speech noise Equ.FF.
3.5
Speech noise Non-linear
6
White noise in speech
22.5
DD45 (G
-G
) PTB-DTU report 2009-2010.
F
C
TDH39 (G
-G
) IEC60645-2 1997.
F
C
HDA280 (G
-G
) PTB report 2004
F
C
HDA200 (G
-G
) ANSI S3.6 2010 and ISO 389-8 2004.
F
C
HDA300 (G
-G
) PTB report 2013.
F
C
Norway Speech level IEC60645-2 1997+20dB (acoustical linear weighting)
Norway Speech Equivalent free field level (G
Norway Speech Not linear level 1 kHz RETSPL (DD45-TDH39-HDA200-HDA300) and EAR 3A – IP30 – CIR22/33 - B71- B81
IEC60645-2 1997 +20dB (no weighting)
Transducer
DD45
Impedance
10 Ω
Coupler
6ccm
Max HL
Speech
90
Speech Equ.FF.
115
Speech Non-linear
120
Speech noise
80
Speech noise Equ.FF.
115
Speech noise Non-linear
115
White noise in speech
95
Norway Speech RETSPL
TDH39
HDA280
HDA200
10 Ω
37 Ω
40 Ω
6ccm
6ccm
Artificial ear
RETSPL
RETSPL
RETSPL
40
40
40
0.5
6.5
3.5
7
7.5
5.5
40
40
40
0.5
6.5
3.5
7
7.5
5.5
22.5
22.5
22.5
-G
) from IEC60645-2 1997 (acoustical equivalent sensitivity weighting)
F
C
Norway Speech max HL
TDH39
HDA280
HDA200
10 Ω
37 Ω
40 Ω
6ccm
6ccm
Artificial ear
Max HL
Max HL
Max HL
90
80
70
120
110
100
120
120
110
80
75
65
115
105
95
115
120
105
95
95
90
DD65 v2
HDA300
EAR3A
10 Ω
23 Ω
10 Ω
Artificial ear
Artificial ear
2ccm
RETSPL
RETSPL
RETSPL
20
40
1,5
1
4,5
2
40
20
40
1,5
1
4,5
2
40
22,5
22.5
22.5
DD65 v2
HDA300
EAR3A
10 Ω
23 Ω
10 Ω
Artificial ear
Artificial ear
2ccm
Max HL
Max HL
Max HL
95
75
110
110
110
120
80
90
70
100
110
105
120
70
95
95
85
IP30
EAR5A
B71
10 Ω
10 Ω
10 Ω
2ccm
2ccm
Mastoid
RETSPL
RETSPL
RETFL
40
40
75
40
40
75
22.5
22.5
57.5
IP30
EAR5A
B71
10 Ω
10 Ω
10 Ω
2ccm
2ccm
Mastoid
Max HL
Max HL
Max HL
80
80
40
70
70
30
85
85
55
B81
12.5 Ω
Mastoid
RETFL
75
75
57.5
B81
12.5 Ω
Mastoid
Max HL
40
30
60